1 files changed, 0 insertions, 152 deletions
diff --git a/trunk/codecs/ilbc/LPCdecode.c b/trunk/codecs/ilbc/LPCdecode.c
deleted file mode 100644
index f4bc9896d..000000000
--- a/trunk/codecs/ilbc/LPCdecode.c
+++ /dev/null
@@ -1,152 +0,0 @@
-
-/******************************************************************
-
-    iLBC Speech Coder ANSI-C Source Code
-
-    LPC_decode.c 
-
-    Copyright (C) The Internet Society (2004). 
-    All Rights Reserved.
-
-******************************************************************/
-
-#include <math.h>
-#include <string.h>
-
-#include "helpfun.h"
-#include "lsf.h"
-#include "iLBC_define.h"
-#include "LPCdecode.h"
-#include "constants.h"
-
-/*---------------------------------------------------------------*
- *  interpolation of lsf coefficients for the decoder
- *--------------------------------------------------------------*/
-
-void LSFinterpolate2a_dec( 
-    float *a,           /* (o) lpc coefficients for a sub-frame */
-    float *lsf1,    /* (i) first lsf coefficient vector */
-
-
-    float *lsf2,    /* (i) second lsf coefficient vector */
-    float coef,         /* (i) interpolation weight */
-    int length          /* (i) length of lsf vectors */
-){
-    float  lsftmp[LPC_FILTERORDER];
-    
-    interpolate(lsftmp, lsf1, lsf2, coef, length);
-    lsf2a(a, lsftmp);
-}
-
-/*---------------------------------------------------------------*
- *  obtain dequantized lsf coefficients from quantization index 
- *--------------------------------------------------------------*/
-
-void SimplelsfDEQ(
-    float *lsfdeq,    /* (o) dequantized lsf coefficients */
-    int *index,         /* (i) quantization index */
-    int lpc_n           /* (i) number of LPCs */
-){  
-    int i, j, pos, cb_pos;
-
-    /* decode first LSF */
-    
-    pos = 0;
-    cb_pos = 0;
-    for (i = 0; i < LSF_NSPLIT; i++) {
-        for (j = 0; j < dim_lsfCbTbl[i]; j++) {
-            lsfdeq[pos + j] = lsfCbTbl[cb_pos + 
-                (long)(index[i])*dim_lsfCbTbl[i] + j];
-        }       
-        pos += dim_lsfCbTbl[i];
-        cb_pos += size_lsfCbTbl[i]*dim_lsfCbTbl[i];
-    }
-
-    if (lpc_n>1) {
-
-        /* decode last LSF */
-
-        pos = 0;
-        cb_pos = 0;
-        for (i = 0; i < LSF_NSPLIT; i++) {
-            for (j = 0; j < dim_lsfCbTbl[i]; j++) {
-                lsfdeq[LPC_FILTERORDER + pos + j] = 
-                    lsfCbTbl[cb_pos + 
-                    (long)(index[LSF_NSPLIT + i])*
-                    dim_lsfCbTbl[i] + j];
-            }       
-            pos += dim_lsfCbTbl[i];
-            cb_pos += size_lsfCbTbl[i]*dim_lsfCbTbl[i];
-        }
-    }
-}
-
-/*----------------------------------------------------------------*
-
-
- *  obtain synthesis and weighting filters form lsf coefficients 
- *---------------------------------------------------------------*/
-
-void DecoderInterpolateLSF( 
-    float *syntdenum, /* (o) synthesis filter coefficients */
-    float *weightdenum, /* (o) weighting denumerator 
-                               coefficients */
-    float *lsfdeq,       /* (i) dequantized lsf coefficients */
-    int length,         /* (i) length of lsf coefficient vector */
-    iLBC_Dec_Inst_t *iLBCdec_inst 
-                        /* (i) the decoder state structure */
-){
-    int    i, pos, lp_length;
-    float  lp[LPC_FILTERORDER + 1], *lsfdeq2;
-        
-    lsfdeq2 = lsfdeq + length;
-    lp_length = length + 1;
-    
-    if (iLBCdec_inst->mode==30) {
-        /* sub-frame 1: Interpolation between old and first */
-
-        LSFinterpolate2a_dec(lp, iLBCdec_inst->lsfdeqold, lsfdeq, 
-            lsf_weightTbl_30ms[0], length);
-        memcpy(syntdenum,lp,lp_length*sizeof(float));
-        bwexpand(weightdenum, lp, LPC_CHIRP_WEIGHTDENUM, 
-            lp_length);
-
-        /* sub-frames 2 to 6: interpolation between first 
-           and last LSF */
-    
-        pos = lp_length;
-        for (i = 1; i < 6; i++) {
-            LSFinterpolate2a_dec(lp, lsfdeq, lsfdeq2, 
-                lsf_weightTbl_30ms[i], length);
-            memcpy(syntdenum + pos,lp,lp_length*sizeof(float));
-            bwexpand(weightdenum + pos, lp, 
-                LPC_CHIRP_WEIGHTDENUM, lp_length);
-            pos += lp_length;
-        }
-    }
-    else {
-        pos = 0;
-        for (i = 0; i < iLBCdec_inst->nsub; i++) {
-            LSFinterpolate2a_dec(lp, iLBCdec_inst->lsfdeqold, 
-                lsfdeq, lsf_weightTbl_20ms[i], length);
-            memcpy(syntdenum+pos,lp,lp_length*sizeof(float));
-            bwexpand(weightdenum+pos, lp, LPC_CHIRP_WEIGHTDENUM, 
-                lp_length);
-            pos += lp_length;
-        }
-    }
-    
-    /* update memory */
-
-
-
-    if (iLBCdec_inst->mode==30)
-        memcpy(iLBCdec_inst->lsfdeqold, lsfdeq2, 
-                    length*sizeof(float));
-    else
-        memcpy(iLBCdec_inst->lsfdeqold, lsfdeq, 
-                    length*sizeof(float));
-
-}
-
-